Suppose that 30% of the patients who have a certain disease die from it. If 13 patients have the disease, what is the probability that no more than 4 patients will die from it? Round your answer to six decimal places.
?
A. Pr(Deaths
4) = 0.308168
B. Pr(Deaths4) = 0.192789
C. Pr(Deaths4) = 0.356936
D. Pr(Deaths4) = 0.898811
E. Pr(Deaths4) = 0.451835
Answer: D
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Graph the polar equation.? = 
, 0 ? r ? 4
A. 
B. 
C. 
D. 
Solve.A whispering gallery is a room in the shape of an elliptic reflector. If a source of sound is placed at one focal point of an elliptic reflector, the sound is reflected through the other focal point. If one person speaks at one focal point, then another person at the other can hear sounds as faint as a whisper. If the whispering gallery is based on the ellipse 
+ 
= 1, how many units from the center of the ellipse would the two people stand?
A. 15 units B. 9 units C. 12 units D. 144 units
Simplify.
A. 
B. 
C. -y
D. 
Provide an appropriate response.The payoff table for three possible courses of action A1, A2, and A3 is given below.pi?A1xi?A2xi?A3xi?.3$70$40$50.2$100$120$110.1$160$140$90.4$80$140$160Which course of action will produce the largest expected value? What is it?
What will be an ideal response?